Summary statistics for a_c2_9 variable in hosp_rollup2552_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c2_9 |      5,618      217247    391153.3   -1070774    7898233

by Jean Roth , jroth@nber.org , 5 Sep 2018